Dislocker/dislocker.py

import json
import discord
import os
import psycopg2
import hashlib
import string
import random

class Dislocker():
    def __init__(self):
        self.config_dir_path = "./config/"
        self.server_config_path = self.config_dir_path + "server.json"

        if not os.path.isdir(self.config_dir_path):
            print("config ディレクトリが見つかりません... 作成します。")
            os.mkdir(self.config_dir_path)
        
        if not os.path.isfile(self.server_config_path):
            print("config ファイルが見つかりません... 作成します。")
            self.server_config = {
                "db": {
                    "host": "localhost",
                    "port": "5432",
                    "db_name": "dislocker",
                    "username": "user",
                    "password": "password"
                },
                "bot": {
                    "token": "TYPE HERE BOTS TOKEN KEY",
                    "log_channel_id" : "TYPE HERE CHANNEL ID",
                    "config_channel_id": "TYPE HERE CHANNEL ID"
                }
            }

            with open(self.server_config_path, "w") as w:
                json.dump(self.server_config, w, indent=4)

        elif os.path.isfile(self.server_config_path):
            with open(self.server_config_path, "r") as r:
                self.server_config = json.load(r)

        


class Bot(discord.Client):
    def db_connect(self, host, db, port, user, password):
        self.db = psycopg2.connect(f"host={host} dbname={db} port={port} user={user} password={password}")

    def password_generate(self, length):
        numbers = string.digits  # (1)
        password = ''.join(random.choice(numbers) for _ in range(length))  # (2)
        return password
    
    def hash_genarate(self, source):
        hashed = hashlib.md5(source.encode())
        return hashed.hexdigest()

    def register(self, **kwrags):
        discord_user_id = str(kwrags["user_id"])
        pc_number = int(kwrags["pc_number"])
        device_number = int(kwrags["device_number"])
        if "detail" in kwrags:
            detail = str(kwrags["detail"])
        else:
            detail = None
        #パスワード生成、ハッシュ化
        password = self.password_generate(4)
        password_hash = self.hash_genarate(password)
        print("password generated")
        #メンバーリストと送信者を照合
        cursor = self.db.cursor()
        cursor.execute("SELECT * FROM club_member WHERE discord_userid = %s", (discord_user_id,))
        user_record = cursor.fetchall()
        #ユーザーデータがなかったら(未登録の場合)
        if not user_record:
            result = {"result": "user_data_not_found"}
        #ユーザーデータが見つかった場合(登録済みの場合)
        else:
            print("found user data")
            cursor.execute("SELECT * FROM pc_usage_history WHERE member_id=%s ORDER BY id DESC LIMIT 1", (user_record[0][0],))
            pc_usage_history_record = cursor.fetchall()
            if pc_usage_history_record:
                print("used")
                if pc_usage_history_record[0][5] == None:
                    result = {"result": "pc_already_in_use_by_you", "pc_number": str(pc_usage_history_record[0][2]), "device_number": str(pc_usage_history_record[0][3]), "start_time": str(pc_usage_history_record[0][4]), "detail": str(pc_usage_history_record[0][6])}
                else:
                    cursor.execute("SELECT * FROM pc_list WHERE pc_number=%s", (pc_number,))
                    pc_list_record = cursor.fetchall()
                    if not pc_list_record[0][1] == None:
                        result = {"result": "pc_already_in_use_by_other"}
                    else:
                        if detail == None:
                            cursor.execute("INSERT INTO pc_usage_history (member_id, pc_number, device_number, start_use_time) VALUES (%s, %s, %s, current_timestamp)", (user_record[0][0], pc_number, device_number))
                        #使用用途があるとき
                        else:
                            cursor.execute("INSERT INTO pc_usage_history (member_id, pc_number, device_number, start_use_time, use_detail) VALUES (%s, %s, %s, current_timestamp, %s)", (user_record[0][0], pc_number, device_number, detail))
                        
                        cursor.execute("UPDATE pc_list SET using_user_id = %s WHERE pc_number = %s", (user_record[0][0], pc_number))
                        cursor.execute("UPDATE pc_list SET password_hash = %s WHERE pc_number = %s", (password_hash, pc_number))
                        self.db.commit()
                        result = {"result": "ok", "password": str(password), "name": str(user_record[0][1])}
            else:
                cursor.execute("SELECT * FROM pc_list WHERE pc_number=%s", (pc_number,))
                pc_list_record = cursor.fetchall()
                if not pc_list_record[0][1] == None:
                    result = {"result": "pc_already_in_use_by_other"}
                else:
                    if detail == None:
                        cursor.execute("INSERT INTO pc_usage_history (member_id, pc_number, device_number, start_use_time) VALUES (%s, %s, %s, current_timestamp)", (user_record[0][0], pc_number, device_number))
                    #使用用途があるとき
                    else:
                        cursor.execute("INSERT INTO pc_usage_history (member_id, pc_number, device_number, start_use_time, use_detail) VALUES (%s, %s, %s, current_timestamp, %s)", (user_record[0][0], pc_number, device_number, detail))
                    
                    cursor.execute("UPDATE pc_list SET using_user_id = %s WHERE pc_number = %s", (user_record[0][0], pc_number))
                    cursor.execute("UPDATE pc_list SET password_hash = %s WHERE pc_number = %s", (password_hash, pc_number))
                    self.db.commit()
                    result = {"result": "ok", "password": str(password), "name": str(user_record[0][1])}

        return result

    def stop(self, **kwrags):
        discord_user_id = str(kwrags["user_id"])
        cursor = self.db.cursor()
        cursor.execute("SELECT * FROM club_member WHERE discord_userid = %s", (discord_user_id,))
        user_record = cursor.fetchall()
        cursor.execute("SELECT * FROM pc_usage_history WHERE member_id= %s ORDER BY id DESC LIMIT 1", (user_record[0][0],))
        pc_usage_history_record = cursor.fetchall()
        if pc_usage_history_record:
            if not pc_usage_history_record[0][5] == None:
                result = {"result": "unused"}
            else:
                cursor.execute("UPDATE pc_usage_history SET end_use_time = current_timestamp WHERE id = %s", (pc_usage_history_record[0][0],))
                cursor.execute("UPDATE pc_list SET using_user_id = NULL WHERE pc_number = %s", (pc_usage_history_record[0][2],))
                cursor.execute("UPDATE pc_list SET password_hash = NULL WHERE pc_number = %s", (pc_usage_history_record[0][2],))
                self.db.commit()
                result = {"result": "ok", "pc_number": str(pc_usage_history_record[0][2]), "name": str(user_record[0][1])}

        return result

    def user_register(self, **kwrags):
        discord_user_id = str(kwrags["discord_user_id"])
        discord_user_name = str(kwrags["discord_user_name"])
        name = str(kwrags["name"])
        cursor = self.db.cursor()
        cursor.execute("SELECT * FROM club_member WHERE discord_userid = %s", (discord_user_id,))
        user_record = cursor.fetchall()
        if not user_record:
            cursor.execute("INSERT INTO club_member (name, discord_username, discord_userid) VALUES (%s, %s, %s)", (name, discord_user_name, discord_user_id))
            self.db.commit()
            result = {"result": "ok"}
        else:
            result = {"result": "already_exists"}
        
        return result

    async def on_ready(self):
        print("ログイン成功")

    async def on_message(self, message):
        if message.author.bot:
            pass

        elif isinstance(message.channel, discord.DMChannel):
            msg_split = message.content.split()
            if msg_split[0] == "/password" or msg_split[0] == "/start":
                #メッセージの要素が2つ以下の場合は拒否
                if len(msg_split) <= 2:
                    await message.channel.send("PC番号、もしくはデバイス番号が入力されていません。")
                #メッセージの要素が3つ以上の場合
                elif len(msg_split) >= 3:
                    #番号が数字であることを確認
                    if msg_split[1].isdigit() and msg_split[2].isdigit():
                        #PC番号が1以上10以下であることを確認
                        if int(msg_split[1]) <= 10 and int(msg_split[1]) >= 1:
                            if len(msg_split) == 3:
                                register = self.register(user_id=message.author.id, pc_number=msg_split[1], device_number=msg_split[2])
                            elif len(msg_split) == 4:
                                register = self.register(user_id=message.author.id, pc_number=msg_split[1], device_number=msg_split[2], detail=msg_split[3])

                            if register["result"] == "ok":
                                if len(msg_split) == 3:
                                    await message.channel.send(f"使用が開始されました。\nパスワード | {register["password"]}\nPC番号 | {msg_split[1]}\nデバイス番号 | {msg_split[2]}")
                                elif len(msg_split) == 4:
                                    await message.channel.send(f"使用が開始されました。\nパスワード | {register["password"]}\nPC番号 | {msg_split[1]}\nデバイス番号 | {msg_split[2]}\n使用目的 | {msg_split[3]}")
                                await self.get_channel(dislocker.server_config["bot"]["log_channel_id"]).send(f'{register["name"]} さんがPC {msg_split[1]} を使用しています')
                            elif register["result"] == "user_data_not_found":
                                await message.channel.send("ユーザーとして登録されていないようです。管理者に問い合わせてください。")
                            elif register["result"] == "pc_already_in_use_by_you":
                                await message.channel.send(f"あなたはPCをもう使用されているようです。使用状態を解除するには /stop で使用終了をお知らせください。\nPC番号 | {register["pc_number"]}\nデバイス番号 | {register["device_number"]}\n使用開始時刻 | {register["start_time"]}\n使用目的 | {register["detail"]}")
                            elif register["result"] == "pc_already_in_use_by_other":
                                await message.channel.send(f"PCはもう使用されています。別のPC番号を指定して、再度お試しください。")
                        else:
                            await message.channel.send("番号がおかしいようです。")
                    else:
                        await message.channel.send("指定された番号は不正です。")
            
            elif msg_split[0] == "/stop":
                stop = self.stop(user_id=message.author.id)
                if stop["result"] == "unused":
                    await message.channel.send("使用されていないようです...")
                elif stop["result"] == "ok":
                    await message.channel.send(f"PC番号 {stop["pc_number"]} の使用が終了されました。")
                    await self.get_channel(dislocker.server_config["bot"]["log_channel_id"]).send(f'{stop["name"]} さんがPC {stop["pc_number"]} の使用を終了しました')

        elif message.channel.id == dislocker.server_config["bot"]["config_channel_id"]:
            msg_split = message.content.split()
            if msg_split[0] == "/register":
                if len(msg_split) <= 3:
                    await message.channel.send("名前、Discordのユーザー名、DiscordのユーザーIDのいずれかが入力されていません。")
                elif len(msg_split) == 4:
                    if msg_split[3].isdigit():
                        register = self.user_register(name=msg_split[1], discord_user_name=msg_split[2], discord_user_id=msg_split[3])
                        if register["result"] == "ok":
                            await message.channel.send(f"登録が完了しました。\n名前 | {msg_split[1]}\nDiscordのユーザー名 | {msg_split[2]}\nDiscordのユーザーID | {msg_split[3]}")
                        elif register["result"] == "already_exists":
                            await message.channel.send("そのDiscordアカウントはすでに登録されています。")
                    else:
                        await message.channel.send("DiscordのユーザーIDが不正です。")
                else:
                    await message.channel.send("なんでかわからんけど不正です。")


intents = discord.Intents.default()
intents.message_content = True

dislocker = Dislocker()
bot = Bot(intents=intents)
bot.db_connect(dislocker.server_config["db"]["host"], dislocker.server_config["db"]["db_name"], dislocker.server_config["db"]["port"], dislocker.server_config["db"]["username"], dislocker.server_config["db"]["password"])
bot.run(dislocker.server_config["bot"]["token"])